Grow a big beautiful crystal and assemble a special platform to display it with a colour-changing LED circuit inside to make your very own Crystal Nightlight! Learn about both crystal formation and LED technology with this fantastic science kit that gives you a unique and eye-catching desktop decoration of your own making.
Die-cut black cardboard, plastic base with lid, transparent plastic cone, colour-changing LED, contact springs, black and silver screws, black wire with eyelet and contact latch, double contact latch, switch with eyelet and contact latch, Potassium Aluminium Sulphate powder, safety goggles, 125ml measuring cup, wooden spatula, and wooden stick
You will also need two clean jars (~600ml each, one with a lid), pencil, scissors, tape, water, two AAA batteries, string, ruler, glue, and a Philips-head screwdriver
2 x AAA batteries required.